Adjustable nozzle



Aug. 22, G. H' D|EDER|CH ADJUSTABLE NOZ ZLE Filed July 28, 1932 INVENTR. Gem/a /vf /de//c/z *www ATTORNEY.

Patented Aug. 22, 1933 Y f My. invention relates to nozzles and more particularly to a device ofthat character adapted especially for use onv nre hose or the like.

i With presentequipment available for righting res it is extremely diiicult to reach comparatively small lires-as vfor example'those located within walls, between floors, in closed automobileaaround bins and chutes; etc;y

W .Not only does such `equipment necessitate a frequent interchange of straight and bent nozzles and change of position of the manwhan-` dling the nozzle-but it Afurther citen requires considerable mutilation of a building in order to reach the Vre and also incurs the hazardof excess water damage.

The principal objects of my linvention are, therefore, to provide a swivelling nozzle that can be admitted to practically any location and whereby a stream of liquid issuing therefrom can be aimed in either' a straight direction or at variousy angles to a hose without movement of the hose and without leakage of iluid from the swivel joint.

1n accomplishing these and other objects of my invention I have provided improved details of structure, the preferred forms of which are illustrated in the accompanying drawing, wherein:

Fig. 1 is a perspective view showing a nozzle constructed in accordance with my invention and inserted through an opening formed by removing the base board of a WalL-the wall being further broken away to disclose the discharge end of the nozzle.

Fig. 2 is a longitudinal central sectionthrough the nozzle illustrating particularly the manner of packing the swivel joint.

Fig. 3 is a similar view in elevation, with portions shown in section, of the nozzle provided with a modied form of tip.

Referring more in detail to the drawing:

1 designates a portion of a room including a iloor 2, walls 3 and ll and a base board 5. For the purpose of illustrating the manner of using rny invention for extinguishing a fire burning within a wall, the base board of wall 3 is shown removed for admitting a nozzle assembly '7 between laterally spaced laths 8 and 9 of the wall.

VThe nozzle assembly includes a shank 10 having one end threadediy engaging the nipple end 11 of a shut-off valve 12 and having an externally threaded opposite end 1B for engaging a fortyve degree elbow 14 although obviously the elbow could comprise an integral part of the shank. Threadedly engaging or otherwise secured in the end of the elbow opposite the shank is a socket member 15 preferably counterbored to produce Law-5 stepped lateral shoulders 16 and 17,. forspur'- poses presently described, and terminating ,infan internally threaded enlarged lend'l of sub# stantially greater diameter than said .elbow;

'f A tubular section 19, cooperating` withf the socket member to form` a union, is provided adjacent vone end with an annular iiange orthrust ring20 adapted to seat `on vthe `smaller shoulder v 16, and a thrust washer 21 slidably mountedon the section for seating contact with the-larger shoulder `1.7, is forcedlintoV engagement `therewith by a packing nut k22 .spaced from the washer .by packing material 23.

Attention is directed to the width-or thickness of the ring 20 which is less than the width of the space between the stepped shoulders so that,

with the thrust washer in seated condition on the largey shoulder, the tubular section will not bind in the socket member but can moveslightly longitudinally therein.

It shouldalso be noted that the outside diameter of the section and adjacent the thrust ring is such that it snugly seats in the reduced or neck portion of the socket member to further aid in sealing the joint of the union against leakage of fluid. The end of the tubular section opposite the ring is secured to a second forty-five degreeelbow 24 which in turn maybe connected by a nipple 25 to a nozzle tip 26.

With a nozzle assembly constructed and attached to a hose as described the tip and tubular section may be rotated through a complete circle or to any position relative to the socket member, but because of the friction of the packing material on the tubular section and by reason of the pressure at which the water is discharged from the nozzle assembly the nozzle tip will remain stationary at any position to which it has been turned.

The packing should be forced by the nut to sealing engagement with the tubular section and socket member but should not be packed sufciently tight to effect binding and prevent rotation of the section in the socket member.

Since the nozzle tip will remain in the position it is turned it is possible for areman to insert the nozzle into a wall as shown in Fig. 1 and to thereafter withdraw his hand from the wall to avoid being burnt by scalding water which frequently happens when a nozzle must be held in an upwardly pointing position.

With my improved nozzle assembly it is possible to more accurately direct water or other extinguishing liquid to a iire thus reducing the danger of damaging material with water and expediting fire extinguishing operations.

By using suitable adaptersthe nozzle can be made to t any shut-01T valve thereby eliminating the necessity of supplying independent nozzles for various types and sizes of valves.

In Fig. 3 I have shown the nozzle assembly provided with an adapter or reducing nipple 27 whereby an adjustable nozzle 28 fora gardenhose or the like may be connected to the assembly and can be manipulated in exactly the same manner as described for operation of the lire nozzle.

What I claim and desire to secure by VLetters Patent is:

l. A device of the character described including a. shank, a forty-five degreev elbow on the shank,

a nozzle tip, a forty-five degree elbow on the tip,

and a swivel union connecting said elbows whereby the tip can be moved from a position-parallel to the shank to an angular relation of ninety degrees to the shank.

2. A device of the character described including a shank, a forty-five degree elbow on the shank, a nozzle tip, a forty-five degree elbow on the tip, a socket member secured to one elbow, a tubular section secured to the other elbow and adapted to seat in said socket member, and means for operably connecting said section and socket member.

.3. In a device of the vcharacter described, a shank including a forty-five degree elbow, ra nozzle tip including a forty-dive 'degree elbow, a

socket member secured to one elbow and having a seat, a tubular section secured to the other e1- bow and having a radial ange adapted to engage said seat, and means vfor urging said flange into engagement with the seat including means for packing the tubular section in said socket member.

4. In a device of the character described, a. shank including a forty-five degree elbow, a nozzle tip including a forty-five degree elbow, a socket member secured to one elbow and having progressively stepped annularshoulders, a tubular section secured to the other elbow and having a radial flange adapted to seat on the smaller of said shoulders, a thrust washer slidably mounted `on the tubular member and adapted to seat on the larger of said shoulders for locking said flange between the washer and smaller shoulder and reserving a limited amount `of freedom of longitudinal movement of the tubular section in the socket member, and means for holding the washer against said larger shoulder.

5. Adevice of the character described including a shank, a forty-live degree elbow in xed relation to the shank, a nozzle tip, a forty-ve degree elbow in'fixed relation to the tip, a socket member secured to one elbow, a. straight tubular section secured yto the other elbow and adapted to seat in the socket member, and means for `swivelly connecting the tubular section and socket member. r

GERALD H. DIEDERICH. 

